CVE-2026-33590
High
Description
Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent access on the host.
SeverityHigh
CVSS8.5
Exploit probability—
Product
Portainer Community Edition
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-276CWE-276
How to fix
Update
- Portainer Portainer Community Edition2.39.0, 2.38.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Portainer Portainer Community Edition | v < 2.39.0, v < 2.38.0 | 2.39.0, 2.38.0 |
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